The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 25, 2000
Filed:
Jun. 05, 1998
Applicant:
Inventors:
Yoshimitsu Nomura, Saitama, JP;
Masaaki Fukuda, Saitama, JP;
Takashi Ito, Saitama, JP;
Kaneyoshi Yagi, Saitama, JP;
Assignee:
Fuji Photo Optical Co., Ltd., Saitama, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ; G02B / ; G02B / ;
U.S. Cl.
CPC ...
359642 ; 359804 ; 359811 ; 359819 ;
Abstract
A plastic lens which is easy to mold and has favorable optical precision. This plastic lens has a flange at the outer periphery of an optically functioning portion, a part of the peripheral surface of the flange being provided with a gate-positioning projection, and a side face of the gate-positioned projection including a cut-off portion.